import java.util.Scanner;
public class Example3_4{
   public static void main (String args[]){
     int number =  0;
     System.out.println("");
     Scanner reader = new Scanner (System.in);
     number = reader.nextInt();
     switch(number){
       case 9 :
       case 131 :
       case 12 :     System.out.println(number+"是三等奖");
                     break;
       case 209 :
       case 596 :
       case 27 :     System.out.println(number+"是二等奖");
                     break;       
       case 875:
       case 316:
       case 59:      System.out.println(number+"是一等奖");
                     break;
       default :     System.out.println("未中奖");
     }
   }
}  

         
